#include "l_bitmap.h"
L_LTJP2_API L_INT EXT_FUNCTION L_Jp2ReadGMLDataMemory(hJp2, pBuffer, uBufferSize, pGMLData)
Reads GML data stored in a JPEG 2000 file in memory.
JPEG 2000 engine handle.
Pointer to a JPEG 2000 file in memory.
Size of the JPEG 2000 file in bytes.
Pointer to the L_JP2_GMLDATA structure that is filled by GML data stored in the file.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
L_Jp2ReadGMLDataMemory reads GML data stored in a JPEG 2000 file in memory. You must free this structure by calling the L_Jp2FreeGMLData function.
Required DLLs and Libraries
Win32, x64.
This example reads GML data stored in JPEG 2000 file format
L_INT Jp2ReadGMLDataMemoryExample(L_UINT8* pFileBuffer, L_SIZE_T uFileSize)
{
L_HJP2 hEngine;
L_JP2_GMLDATA GMLData;
/*Create JPEG 2000 engine handle*/
hEngine = L_Jp2Create();
/*Read GML data*/
GMLData.uStructSize = sizeof(L_JP2_GMLDATA);
L_Jp2ReadGMLDataMemory(hEngine, pFileBuffer, uFileSize, &GMLData);
/*Free GML data*/
L_Jp2FreeGMLData(hEngine, &GMLData);
/*Destroy engine handle*/
L_Jp2Destroy(hEngine);
return SUCCESS;
}
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